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Python Developer / Backend Software Engineer (Python R&D) Cambridge onsite to £55k Would you like to work on Greenfield projects at the cutting edge of medical technology? You could be joining a well funded start-up, collaborating with scientists and other engineers to develop sensing and imaging terahertz solutions. As a Python Developer you'll work on complex problems including image processing, ma... ZIPC1_UKTJ

Senior Software Engineer (.NET & Hybrid Cloud) Location: Cambridge, Hybrid Salary: £75,000 – £95,000 + Benefits The Opportunity We are seeking a Senior Software Engineer to join a team building high-integrity, scalable platforms. Our engineering culture mirrors the rigour of R&D-heavy environments. You will work on complex distributed systems where performance, data security, and cloud efficiency are the primary drivers. The Tech Stack We lean into the latest stable releases of the Microsoft ecosystem while remaining cloud-flexible to suit diverse enterprise and research requirements. • Core: C# 14, .NET 10 (focusing on high-performance primitives and AOT compilation)., • Cloud: Professional-grade implementation across AWS (ECS, Lambda, RDS) and Azure (AKS, Functions, Cosmos DB)., • Infrastructure: Terraform or Pulumi for multi-cloud provisioning., • Intelligence: Integration of LLMs via Semantic Kernel; use of GitHub Copilot for accelerated SDLC., • Data: PostgreSQL, Redis for caching, and high-throughput event streaming via Kafka or Azure Service Bus. Key Responsibilities • Backend Architecture: Design and maintain microservices that handle complex data processing workflows with low latency., • Hybrid-Cloud Mastery: Deploy and manage workloads that span both AWS and Azure, ensuring seamless identity management (Entra ID) and data synchronisation., • Performance Engineering: Optimise C# code for high-throughput environments, utilising modern memory management and asynchronous patterns., • AI Integration: Collaborate on the deployment of AI-driven features, ensuring the underlying infrastructure can scale for model inference and vector data storage., • DevSecOps: Build "shift-left" security into the CI/CD pipeline, focusing on automated vulnerability scanning and robust observability. Requirements Technical Expertise: • Expert C# / .NET: Deep understanding of the framework, including Dependency Injection, Middleware, and Linq internals., • Cloud Agnostic: Strong hands-on experience with at least one major provider (AWS/Azure) and a solid conceptual understanding of the other., • Containerisation: Expert knowledge of Docker and orchestrating production workloads in Kubernetes., • Database Proficiency: Experience with complex relational schemas and an understanding of CAP theorem in the context of NoSQL.

Mobile Application Developer Cambridge: Hybrid Approach to Work Salary: £50,000 - £60,000 Method Resourcing have partnered with a growing medical device manufacturer developing a mobile application that connects directly to hardware and captures real-world data. The product uses a mobile device (or external camera) to capture images, process them using existing libraries, and upload results into a cloud-based platform. This role will take ownership of the mobile application end-to-end, working closely with the engineer leading the backend and data layer. It’s a hands-on position focused on building real functionality, not just UI. What we’re looking for: We’re open on background, but you’ll likely have: • Experience building mobile applications (React Native ideal, but not essential), • Strong JavaScript or TypeScript, • Experience working with device features (e.g. camera, media, file handling), • Confidence integrating APIs and third-party libraries Nice to have: • Experience with image, video, or media-based applications, • Work involving uploads, scanning, or data processing Why consider it? • Genuine ownership of the mobile product, • Work on a real-world, hardware-connected application Please note the employer is unable to offer any sponsorship.

Principal Engineer (C# / .NET) – Global Tech Company We’re a fast-growing, well-funded tech company building a product used by millions worldwide. Engineering quality is everything here - and we’re looking for a Principal-level C# / .NET engineer to help shape what comes next. This is a high-impact, long-term role in a genuinely exceptional team where people tend to stay and grow for years. What You’ll Do • Design and build scalable systems in C# / .NET, • Own end-to-end feature delivery across backend and product, • Influence architecture and engineering standards across teams, • Work closely with product to ship high-impact features at scale, • Mentor engineers and raise technical excellence What We’re Looking For • Principal-level experience in C# / .NET and distributed systems, • Experience building and operating scalable, cloud-based systems, • High ownership, high standards, low ego Why This Role • Global product with millions of users, • Exceptional engineering culture, • Strong stability + long-term growth focus, • High trust, high autonomy environment, • A place to build a long-term career, not just a job Benefits • Competitive salary + discretionary bonus, • Private healthcare, • Flexible working, • Wellbeing & development allowance, • Regular team socials & lunches Principal Full Stack Engineer (C# / .NET) – Global Tech Company

About the job About Lichen Lichen AI gives companies the tools and experiences needed to reimagine their own business processes around the people who power them, and unlock the real value of AI. Lichen AI is an agentic platform for AI-powered discovery. We conduct voice interviews at scale, analyse transcripts, and produce structured outputs that make AI implementation faster and more impactful. We're moving from an internal prototype to production SaaS for enterprise customers, and we need an engineer to make that happen. The Role We have a working prototype. Your job is to turn it into a production service that enterprise customers can rely on. That means three things: building a robust, secure backend that handles sensitive enterprise data with confidence; creating interfaces that make complex AI-generated outputs legible and trustworthy to non-technical users; and working alongside our CTO on the agentic workflows that power the platform. This is a genuine full stack role. Frontend quality matters as much as backend rigour here. Our product lives or dies on whether our customers can quickly understand and act on what the platform surfaces. We’re a 3-person, early stage founding team based in Cambridge UK. You'll be our first full-time engineer, working directly with the founders to build and scale the platform. This means wearing multiple hats, and you'll have real influence over what we build and how we build it. What you'll do • Take our working prototype to production-grade; building the foundations needed to serve enterprise customers with confidence, • Build and own the UI end to end, including interfaces that help users understand and interrogate AI-generated outputs, • Build deployment pipelines, testing frameworks, monitoring, and observability to keep the platform reliable as we onboard customers, • Design secure data pipelines that handle sensitive data with appropriate access controls and audit trails, • Ensure the platform meets enterprise security and compliance expectations (ISO 27001/ISO 42001, GDPR), • Help shape our technical architecture and engineering practices as an early team member What We're Looking For We're looking for someone who can work across the stack and is excited about building AI products that genuinely serve people. You should have: • Experience building production web applications, ideally for business/enterprise users, • Comfort with modern JavaScript/TypeScript and Python, we use React and FastAPI, • Comfort designing database structures and data pipelines, • Experience with cloud infrastructure (AWS preferred), • Ability to work independently and make technical decisions with limited oversight, • Genuine interest in AI that enhances rather than replaces human work Things that would be great but aren't required: • Experience with LLM APIs, RAG systems, vector databases, • Background in conversational UI, voice interfaces, or NLP, • Understanding of qualitative research or data visualisation Why Join Lichen AI? • Shape the technical direction of a mission-driven company with the opportunity to grow into a technical leadership role as the team scales, • Work with real AI tools including conversational AI, qualitative analysis, & agentic systems, • Build technology that captures and amplifies human insight rather than replacing it Location: UK-based (UK applications only) / Central Cambridge ideal / Remote / Hybrid; Employment type: We're flexible. This could be full-time employment or a contract arrangement. We cannot sponsor visas. How to Apply Email with: • Your CV or LinkedIn, • A paragraph on why this role interests you, • An answer to this question: Tell us about something you built where user needs prompted you to change your technical approach. What did you learn? We'd love to hear about your experience and what draws you to this work - even if you don't meet all the criteria above. You don't need to tick every box - we know that great candidates come from diverse backgrounds and experiences.

Senior Physical Design Engineer - Bristol or Cambridge This client is a fast-growing player in the semiconductor space, focused on developing advanced computing platforms that enable cutting-edge applications in AI, high-performance computing, and data-intensive systems. With strong financial backing and a growing engineering presence in Cambridge and Bristol, they are looking to strengthen their physical design group with new talent. As a Physical Design Engineer, you will be part of a collaborative team responsible for turning complex RTL designs into high-quality silicon. This is a hands-on role where you’ll work across the full digital backend flow, ensuring designs meet performance, power, and area targets at advanced technology nodes. You’ll also have the opportunity to influence methodologies, improve design processes, and contribute to technical innovation on next-generation products. Responsibilities would include: • Drive multiple stages of the physical design flow, from floorplanning through place and route to final sign-off, • Optimise designs for power, performance, and area while meeting aggressive schedules, • Contribute to the development of new flows and automation to improve team efficiency, • Collaborate closely with RTL, verification, packaging, and product engineering groups, • Take ownership of technical challenges and propose creative, robust solutions Required experience: • Degree in Electrical/Electronic Engineering, Computer Science, or related discipline, • Solid background in digital backend/physical design, ideally including work at 7nm or below, • Practical knowledge of timing closure, clock tree design, physical verification, and sign-off processes, • Strong scripting/programming ability (e.g. Python, Tcl) Email - Tel - 01189073075 LinkedIn -

Full Stack Engineer (Ruby & Next. We’re looking for an experienced full-stack developer proficient in Ruby for backend and Next. Develop and maintain backend services using Ruby.

A well funded medical technology start-up is seeking a Python Developer / Backend Software Engineer to work on exciting greenfield projects. Ideal candidates will have strong Python skills, backend engineering experience, and a degree in STEM.

A leading technology company in Cambridge is seeking a Back-End Engineer to design and maintain scalable web services using Go and Python. Requirements include 5+ years in web service development, knowledge of various back-end technologies, and strong problem-solving skills.

A well-funded start-up in Cambridge is seeking a Python Developer / Backend Software Engineer to work on innovative projects in medical technology. The ideal candidate has strong Python skills and experience with databases and modern software practices.

A cutting-edge technology firm in Cambridge seeks a Lead Backend Python developer to join their innovative SaaS platform team.

Python Developer / Backend Software Engineer (Python R&D TDD) opportunity. Python Developer / Backend Software Engineer (Python R&D) Cambridge onsite to £55k. You have strong backend software engineering experience with Python, including Python libraries such as PyTorch, NumPy.

Software Engineer – Python / RF Algorithms Cambridge | Permanent | Full Time We’re recruiting a Software Engineer for a venture-backed RF semiconductor company in Cambridge building advanced RF hardware for connected devices. This is not a generic backend role. You’ll be working at the intersection of algorithms, software, and RF hardware — turning mathematical models and optimisation concepts into production-grade software that runs against real systems. The Role You will: Design and build Python software that implements RF measurement and optimisation algorithms. Translate algorithm specs and mathematical models into clean, maintainable code. Work closely with RF and systems engineers to ensure software reflects real-world hardware behaviour. Integrate and validate algorithms on hardware prototypes and production platforms. Develop unit tests, validation frameworks and regression tools. Troubleshoot performance issues across software and hardware boundaries. Apply proper engineering discipline: modular design, version control, documentation.This role requires someone who can move from experimentation to robust, production-ready software — not just proof-of-concept scripts. What They’re Looking For Strong Python development experience (structuring and implementing algorithms properly). Proven ability to translate maths, models or system requirements into working software. Experience implementing optimisation methods or data-driven algorithms in hardware-adjacent environments. Strong analytical and problem-solving ability. Degree in Software Engineering, Electrical Engineering or similar.Strong Advantage Understanding of RF measurements and test procedures. Experience interfacing with lab equipment or measurement systems. Exposure to wireless systems, RF modules or telecoms. Real-time processing experience.Environment Engineering-led. Fast-moving. High ownership. You’ll work directly with RF and hardware teams — this isn’t a siloed software function. If you need heavily defined requirements and long release cycles, this isn’t the place. If you like solving hard technical problems with real hardware impact, it is. Package Competitive salary + pension + share options. Private medical, life assurance, income protection. 25 days holiday + bank holidays. Flexible working options

Software Engineer – Scientific Instrumentation Location: Cambridge (On-site) Salary: £40,000 – £55,000 + Share Options Job Type: Full-time The Company An innovative and rapidly growing technology company at the forefront of life science instrumentation is seeking a Software Engineer to join its multidisciplinary team. This is an opportunity to contribute to cutting-edge technology that supports breakthroughs in drug development, biomolecule production and scientific discovery. The Role You will play a key role in developing software that powers a sophisticated analytical instrument, with a strong focus on machine control and hardware integration. Working across the software stack, you will be involved in interfacing with hardware components, controlling experimental workflows and ensuring robust, reliable system performance. While some frontend development is involved, the primary focus is on backend systems and interaction with physical devices. You will collaborate closely with scientists and engineers across multiple disciplines to translate complex experimental requirements into maintainable and scalable software solutions. Key Responsibilities • Develop software to control instrumentation and experimental workflows, • Interface with hardware components such as sensors, actuators and microcontrollers, • Implement and maintain reliable communication between software and devices, • Troubleshoot issues across hardware and software boundaries, • Contribute to backend systems, data handling and experiment execution, • Support rapid prototyping of new features and hardware capabilities, • Integrate new functionality into an evolving software platform, • Maintain and improve existing codebases, • Fix bugs and enhance system robustness, • Contribute to unit and system testing, • Work closely with cross-functional teams including scientists and engineers, • Participate in technical discussions and solution design Requirements • Degree (MEng or equivalent) in Computer Science, Software Engineering, Physics or related engineering discipline, • 2–5 years’ experience in software development, ideally within hardware or instrumentation environments, • Strong programming skills in Python, C++ and TypeScript, • Experience with machine control, embedded systems or hardware integration, • Familiarity with Git, build processes and software development lifecycle, • Strong problem-solving skills and ability to learn quickly in a practical environment, • Excellent communication and teamwork abilities What’s on Offer • Opportunity to work on cutting-edge technology at the intersection of science and engineering, • Collaborative, fast-paced environment with real product impact, • Exposure to multidisciplinary teams and complex systems, • Share option scheme, • Competitive salary package